Space-air-ground integrated network (SAGIN) for 6G: Requirements, architecture and challenges

被引：61
|
作者：
Cui, Huanxi [1 ]
Zhang, Jun [2 ]
Geng, Yuhui [1 ]
Xiao, Zhenyu [1 ]
Sun, Tao [3 ]
Zhang, Ning [4 ]
Liu, Jiajia [5 ]
Wu, Qihui [6 ]
Cao, Xianbin [1 ]
机构：
[1] Beihang Univ, Sch Elect & Informat Engn, Beijing Key Lab Network Based Cooperat Air Applic, Beijing 100191, Peoples R China
[2] Beijing Inst Technol, Adv Res Inst Multidisciplinary Sci, Beijing 100081, Peoples R China
[3] China Mobile Res Inst, Beijing 100053, Peoples R China
[4] Univ Windsor, Dept Elect & Comp Engn, Windsor, ON N9B 3P4, Canada
[5] Northwestern Polytech Univ, Sch Cybersecur, Natl Engn Lab Integrated AeroSp Ground Ocean Big, Xian 710072, Shaanxi, Peoples R China
[6] Nanjing Univ Aeronaut & Astronaut, Coll Elect & Informat Engn, Nanjing 210007, Peoples R China
来源：
CHINA COMMUNICATIONS | 2022年 / 19卷 / 02期
基金：
北京市自然科学基金; 中国国家自然科学基金;
关键词：
5G mobile communication; 6G mobile communication; Industrial Internet of Things; Network architecture; Logic gates; Control systems; Protocols; 6G; AI; DT; SAGIN; NTN; COMPREHENSIVE SURVEY; VISION; 5G; NOMA;
D O I：
10.23919/JCC.2022.02.008
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
As the fifth-generation (5G) mobile communication network may not meet the requirements of emerging technologies and applications, including ubiquitous coverage, industrial internet of things (IIoT), ubiquitous artificial intelligence (AI), digital twins (DT), etc., this paper aims to explore a novel space-air-ground integrated network (SAGIN) architecture to support these new requirements for the sixth-generation (6G) mobile communication network in a flexible, low-latency and efficient manner. Specifically, we first review the evolution of the mobile communication network, followed by the application and technology requirements of 6G. Then the current 5G non-terrestrial network (NTN) architecture in supporting the new requirements is deeply analyzed. After that, we proposes a new flexible, low-latency and flat SAGIN architecture, and presents corresponding use cases. Finally, the future research directions are discussed.
引用
收藏
页码：90 / 108
页数：19
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